CN218658374U - Ultra-thin long honing head - Google Patents
Ultra-thin long honing head Download PDFInfo
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- CN218658374U CN218658374U CN202222304568.5U CN202222304568U CN218658374U CN 218658374 U CN218658374 U CN 218658374U CN 202222304568 U CN202222304568 U CN 202222304568U CN 218658374 U CN218658374 U CN 218658374U
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- honing head
- head body
- honing
- oilstone
- feeding
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Abstract
The utility model provides a super long honing head adopts the structural design of three conical surface oilstone seat formulas, can accomplish the structural design of all honing head parts in the limited space of minor diameter honing head, obtains very long oilstone length for the relatively big elongated hole of honing major diameter. The lower honing head body is arranged into a flat surface to replace the traditional oil passing R groove, so that the cooling and chip removal functions of the traditional oil passing R groove are ensured, and the structural strength of the honing head is further improved. Through carrying out split type structural design with feeding mandrel and feeding cone, under the prerequisite that satisfies the operation requirement, improve intensity and rigidity between them, reduce the processing degree of difficulty and cost. The utility model provides a super long honing head, honing head part possess high rigidity and intensity, honing aperture scope big, easy manufacturing, and the honing precision is high.
Description
Technical Field
The utility model belongs to the technical field of mechanical frock cutter, specifically relate to an ultra-long honing head.
Background
The ultra-long honing head is an ultra-long part with the length-diameter ratio of more than or equal to 20, and the ultra-long honing head integrally needs to have higher manufacturing precision due to the requirement of meeting the high precision requirement of a honing hole, so that the processing difficulty of the ultra-long honing head is further improved.
At present, the conventional ultra-long honing head adopts an integral design, and the manufacturing difficulty and the manufacturing cost of the honing head are high. Therefore, an ultra-long honing head with low processing difficulty and processing cost and capable of meeting the requirement of honing hole precision is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a rigidity and the intensity of honing head part are high, honing aperture scope is big, the easy super long honing head that honing precision is high for the mesopore of honing the high accuracy requirement part on vertical honing machine.
The utility model aims at realizing through the following scheme: an ultra-long honing head comprising: the honing device comprises an upper honing head body, a lower honing head body, a feeding mandrel, a feeding cone, an oilstone seat, honing oilstones and a spring.
The length-diameter ratio of the ultra-long honing head is more than or equal to 20.
Wherein, the upper honing head body is connected with the lower honing head body to form the main part of the honing head body.
The excircle of the lower honing head body is provided with a plurality of oilstone seat grooves which are uniformly distributed on the circumference of the lower honing head body.
The upper honing head body and the lower honing head body are both provided with cylindrical hollow structures, the hollow structures from the top end of the upper honing head body to the front section are large outer circle ends with large radius, and the hollow structures from the front section of the upper honing head body to the whole part of the lower honing head body are small outer circle ends with small radius.
The feed mandrel is connected with the feed cone and inserted from the middle hole at the large outer circle end of the upper honing head body.
The feeding cone is of a three-cone structure.
The oilstone seat is of a three-cone structure, counter bores are formed in two ends of the oilstone seat, and oilstone grooves are formed in the oilstone seat.
The oilstone seat is placed on the oilstone seat groove, the spring is arranged in counter bores at two ends of the oilstone seat, and the three conical surfaces of the oilstone seat are attached to the three cones of the feeding cone.
The honing oilstone is fixed in the oilstone groove of the oilstone seat.
Preferably, the excircle of the lower honing head body is provided with 4 oilstone seat grooves, 4 oilstone seats are respectively placed on the 4 oilstone seat grooves, and 8 springs are arranged in counter bores at two ends of the oilstone seats.
Preferably, one side of the feeding mandrel, which is connected with the feeding cone, is provided with a T-shaped groove, one side of the feeding cone, which is connected with the feeding mandrel, is provided with a T-shaped boss, and the feeding mandrel and the feeding cone are connected by inserting the T-shaped boss into the T-shaped groove.
Preferably, a kidney-shaped groove is formed in the outer circle of the feeding mandrel, an anti-rotation screw hole penetrating into the kidney-shaped groove is formed in the small outer circle of the upper honing head body, and the feeding mandrel and the upper honing head body are fixed through the anti-rotation screw.
Preferably, the joint of the upper honing head body and the lower honing head body is fixed by a positioning pin.
Preferably, one side of the upper honing head body, which faces the lower honing head body, is provided with a positioning hole, an internal thread hole and an end face, one side of the lower honing head body, which faces the upper honing head body, is provided with a positioning external circle, an external thread and a shoulder blade face, and the positioning hole, the internal thread hole and the end face respectively correspond to the positioning external circle, the external thread and the shoulder blade face to connect the upper honing head body and the lower honing head body.
Preferably, the two ends of the oilstone seat are respectively clamped and fixed through 1 clamping spring.
Preferably, the part of the lower honing head body, which is provided with the oilstone seat, is a flat surface.
Compared with the prior art, the utility model discloses possess following advantage:
the utility model provides a pair of super long honing head's honing head body, feed the mandrel and feed the cone and adopt split type structural design, under the prerequisite that satisfies the operation requirement, improve intensity and rigidity between them, and reduce the processing degree of difficulty and cost.
The utility model provides a pair of little, the long and structural design who adopts three conical surface oilstone seat formulas of diameter of extra long honing head. The honing tool can complete the structural design of all honing head parts in a limited space of a small-diameter honing head to obtain a long oilstone length for honing a long and thin hole with a large length-diameter ratio, and can ensure that a feeding cone can axially advance or retract a small distance due to a large cone angle, so that the honing oilstone can be expanded or retracted in a large range, the honing hole diameter can be expanded, the diameter specification of the honing head can be reduced, and the manufacturing cost can be reduced.
For a honing head with a small diameter, the structural strength of the honing head can be greatly reduced by forming the R groove. The utility model provides a pair of lower part honing head body whetstone seat mounted position of ultra-long honing head designs for flat face, replaces traditional oily R groove of crossing, has guaranteed the cooling and the chip removal function in traditional oily R groove of crossing, has still further promoted honing head's structural strength.
Drawings
Fig. 1 is a schematic view illustrating an assembly of an ultra-long honing head according to the present invention;
fig. 2 is a schematic K-K cross-sectional view of an ultra-long honing head according to an embodiment of the present invention;
FIG. 3 is a schematic view of a feeding mandrel according to an embodiment of the present invention;
FIG. 4 is a side schematic view of a feed mandrel in an embodiment of the present invention;
FIG. 5 is a schematic view of the feed cone according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a feeding mandrel with a waist-shaped groove in an embodiment of the present invention;
figure 7 is a partial schematic view of the feed mandrel coupled to the upper honing head in an embodiment of the invention;
fig. 8 is a schematic view of the connection between the upper honing head and the lower honing head through the positioning pin in the embodiment of the present invention;
fig. 9 is a schematic sectional view of an upper honing head body according to an embodiment of the present invention;
fig. 10 is a schematic structural view of the lower honing head body in the embodiment of the present invention;
fig. 11 is a schematic view of the oil stone seat connected to the clamp spring in the embodiment of the present invention.
In the figure, 1 is an upper honing head body; 2 is a lower honing head body; 3 is a feeding mandrel; 4 is a feeding cone; 5 is an oilstone seat; 6, honing oilstone; 7 is a spring; 8 is an oilstone seat groove; 9 is a counter bore; 10 is a T-shaped groove; 11 is a T-shaped boss; 12 is a waist-shaped groove; 13 is an anti-rotation screw; 14 is a positioning pin; 15 is a positioning hole; 16 is an internal thread hole; 17 is an end face; 18 is a positioning excircle; 19 is an external thread; 20 is scapular surface; 21 is a clamp spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
As shown in fig. 1, the utility model provides an ultra-long honing head in the technical scheme, include: an upper honing head body 1, a lower honing head body 2, a feed spindle 3, a feed cone 4, an oilstone seat 5, a honing oilstone 6 and a spring 7.
The length-diameter ratio of the ultra-long honing head is more than or equal to 20.
Wherein, the upper honing head body 1 is connected with the lower honing head body 2 to form the main part of the honing head body.
The outer circle of the lower honing head body 1 is provided with a plurality of oilstone seat grooves 8 which are uniformly distributed on the circumference of the lower honing head body 2.
The upper honing head body 1 and the lower honing head body 2 are both provided with cylindrical hollow structures, the hollow structures from the top end of the upper honing head body 1 to the front section are large outer circle ends with large radius, and the hollow structures from the front section of the upper honing head body 1 to the whole part of the lower honing head body 2 are small outer circle ends with small radius.
The feed spindle 3 is connected to the feed cone 4, and is inserted from the central hole of the large outer circular end of the upper honing head body 1.
The feed cone 4 is of a three-cone structure.
The oilstone seat 5 is of a three-conical-surface structure, counter bores 9 are formed in two ends of the oilstone seat, and oilstone grooves are formed in the oilstone seat 5.
The oilstone seat 5 is placed on the oilstone seat groove 8, the spring 7 is arranged in counter bores 9 at two ends of the oilstone seat 5, and the three conical surfaces of the oilstone seat 5 are attached to the three cones of the feeding cone 4.
The honing oilstone 6 is fixed in the oilstone groove of the oilstone seat 5.
As shown in fig. 2, in some embodiments of the present invention, 4 oilstone seat grooves 8 are provided on the outer circle of the lower honing head body 2, 4 oilstone seats 5 are respectively placed on the 4 oilstone seat grooves 8, and 8 springs 7 are provided in the counter bores 9 at both ends of the oilstone seat 5.
As shown in fig. 3 to 5, in some embodiments of the present invention, a T-shaped groove 10 is provided on a side of the feeding mandrel 3 connected to the feeding cone 4, a T-shaped boss 11 is provided on a side of the feeding cone 4 connected to the feeding mandrel 3, and the feeding mandrel 3 and the feeding cone 4 are connected by inserting the T-shaped boss 11 into the T-shaped groove 10.
As shown in fig. 6 to 7, in some embodiments of the present invention, a kidney-shaped groove 12 is provided on the outer circle of the feeding mandrel 3, an anti-rotation screw hole penetrating into the kidney-shaped groove 12 is provided on the small outer circle of the upper honing head body 1, and the feeding mandrel 3 and the upper honing head body 1 are fixed by using the anti-rotation screw 13. The feed spindle 3 and the upper honing head body 1 are fixed using the anti-rotation screws 13, and the effect of the feed spindle 3 and the feed cone 4 being prevented from being rotated in the bore in the honing head body can be prevented.
As shown in fig. 8, in some embodiments of the present invention, the joint between the upper honing head 1 and the lower honing head 2 is fixed by a positioning pin 14.
As shown in fig. 9 to 10, in some embodiments of the present invention, the upper honing head body 1 is provided with a positioning hole 15, an internal thread hole 16 and a end surface 17 toward the lower honing head body 2, the lower honing head body 2 is provided with a positioning external circle 18, an external thread 19 and a shoulder blade 20 toward the upper honing head body 1, and the positioning hole 15, the internal thread hole 16 and the end surface 17 respectively correspond to the positioning external circle 18, the external thread 19 and the shoulder blade 20 to connect the upper honing head body 1 and the lower honing head body 2.
As shown in fig. 11, in some embodiments of the present invention, two ends of the oilstone seat 5 are respectively fastened and fixed by 1 snap spring 21. In these embodiments, in order to ensure sufficient strength of the honing head, the ring groove for mounting the spring cannot be too large, a spring with a very small size is required, and the too small spring has poor elasticity and durability, and cannot play a role of pressing back the oilstone seat after being used for a period of time, the spring is replaced by the open snap spring 21, and the open snap spring 21 is not limited by the space of the honing head and can achieve a function of pressing back the oilstone seat.
In some embodiments of the present invention, the portion of the lower honing head body where the oilstone seat is mounted is a flat surface. In the embodiments, the flat surface is used to replace the conventional oil-passing R groove, so that the cooling and chip removal functions of the conventional oil-passing R groove are ensured, and the structural strength of the honing head is further improved.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A super thin and long honing head is characterized in that: the ultra-long honing head comprises: the honing device comprises an upper honing head body (1), a lower honing head body (2), a feeding mandrel (3), a feeding cone (4), an oilstone seat (5), a honing oilstone (6) and a spring (7);
the length-diameter ratio of the ultra-long honing head is greater than or equal to 20;
wherein the upper honing head body (1) is connected with the lower honing head body (2) to form the main part of the honing head body;
a plurality of oilstone seat grooves (8) are formed in the outer circle of the lower honing head body (2) and are uniformly distributed on the circumference of the lower honing head body (2);
the upper honing head body (1) and the lower honing head body (2) are both provided with cylindrical hollow structures, the hollow structures from the top end of the upper honing head body (1) to the front section are large outer circle ends with large radius, and the hollow structures from the front section of the upper honing head body (1) to the whole lower honing head body (2) are small outer circle ends with small radius;
the feeding mandrel (3) is connected with the feeding cone (4) and is inserted from a middle hole at the large outer circle end of the upper honing head body (1);
the feeding cone (4) is of a three-cone structure;
the oilstone seat (5) is of a three-conical structure, counter bores (9) are formed in two ends of the oilstone seat, and oilstone grooves are formed in the oilstone seat (5);
the oilstone seat (5) is placed on the oilstone seat groove (8), the spring (7) is arranged in the counter bores (9) at two ends of the oilstone seat (5), and the three conical surfaces of the oilstone seat (5) are attached to the three cones of the feeding cone (4);
the honing oilstone (6) is fixed in the oilstone groove of the oilstone seat (5).
2. The ultra-long honing head according to claim 1, wherein: set up 4 on lower part honing head body (2) excircle oilstone seat groove (8), 4 oilstone seat (5) are placed respectively 4 on the oilstone seat groove (8), 8 spring (7) set up oilstone seat (5) both ends in counter bore (9).
3. The ultra-long honing head according to claim 1, wherein: one side of the feeding mandrel (3) connected with the feeding cone (4) is provided with a T-shaped groove (10), one side of the feeding cone (4) connected with the feeding mandrel (3) is provided with a T-shaped boss (11), and the feeding mandrel (3) and the feeding cone (4) are connected by inserting the T-shaped boss (11) into the T-shaped groove (10).
4. The ultra-long honing head according to claim 1, wherein: the outer circle of the feeding mandrel (3) is provided with a kidney-shaped groove (12), the small outer circle of the upper honing head body (1) is provided with an anti-rotation screw hole penetrating into the kidney-shaped groove (12), and the feeding mandrel (3) and the upper honing head body (1) are fixed through an anti-rotation screw (13).
5. The ultra-long honing head according to claim 1, wherein: the joint of the upper honing head body (1) and the lower honing head body (2) is fixed through a positioning pin (14).
6. The ultra-long honing head according to claim 1, wherein: upper portion honing head (1) orientation lower part honing head (2) one side is provided with locating hole (15), internal thread hole (16) and terminal surface (17), lower part honing head (2) orientation upper portion honing head (1) one side is provided with location excircle (18), external screw thread (19) and shoulder blade (20), locating hole (15), internal thread hole (16) and terminal surface (17) correspond respectively location excircle (18), external screw thread (19) and shoulder blade (20) will upper portion honing head (1) with lower part honing head (2) are connected.
7. The ultra-long honing head according to claim 1, wherein: and the two ends of the oilstone seat (5) are respectively clamped and fixed through 1 clamp spring (21).
8. The ultra-long honing head according to claim 1, wherein: the part of the lower honing head body (2) for mounting the oilstone seat (5) is a flat surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222304568.5U CN218658374U (en) | 2022-08-31 | 2022-08-31 | Ultra-thin long honing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222304568.5U CN218658374U (en) | 2022-08-31 | 2022-08-31 | Ultra-thin long honing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218658374U true CN218658374U (en) | 2023-03-21 |
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ID=85558913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222304568.5U Active CN218658374U (en) | 2022-08-31 | 2022-08-31 | Ultra-thin long honing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218658374U (en) |
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2022
- 2022-08-31 CN CN202222304568.5U patent/CN218658374U/en active Active
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